At 10 a.m. on August 9, 2019, accompanied by Fu Shaoyu, Director of Shangqiu Municipal Urban Administrative and Law Enforcement Bureau, Zhang Jianhui, Mayor of Shangqiu City, visited Shangqiu No. 5 Sewage Treatment Plant for investigation and inspection. Wang Zhongyin, Deputy Director of Shangqiu No. 5 Sewage Treatment Plant gave a detailed report on the service scope of the pipe network, dominant industries of the industrial cluster, technological process, quality of water from the inlet and outlet, water volume, etc. Mayor Zhang and his delegation made a field inspection of the limited space of the Phase I D-type filter, and learned about some safety protection facilities and emergency measures in case of danger on the limited space, as well as the sewage treatment technology and operation of Shangqiu No. 5 Sewage Treatment Plant.

Mayor Zhang Jianhui spoke highly of the operation and sewage treatment of Shangqiu No. 5 Sewage Treatment Plant.